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Which of the following is not a correct ...

Which of the following is not a correct statement

A

What cast iron contains carbon in the form of `Fe_(3)C`

B

Grey cast iron contains carbon in the form of graphite.

C

The quality of steel produced in Bessemer converter is very high

D

The quality of steel produced in open hearth process can be checked from time to time.

Text Solution

Verified by Experts

The correct Answer is:
C
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NARAYNA-METTALURGY-Extraction
  1. The flux used in the extraction of iron from Haematite in te blast fur...

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  2. Cast iron contains phosphorus as impurity. In Bessemerisation of this ...

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  3. Which of the following is not a correct statement

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  4. Pudding process is used in the manufacture of

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  5. The calcicum phosphate slag is commerically

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  6. In the extraction of copper the smelt formed in the blast furnace cont...

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  7. In Bessemer converter Cu(2)S is converted in to blister copper in

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  8. The fuel used in Belgion process is

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  9. Spelter is impure form of

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  10. Observe of the following statements regarding purification of bauxite:...

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  11. A mixture of white powder and coke is heated in nitrogen gas very stro...

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  12. Which of the following techniques is used in the manufacture of alumin...

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  13. In the electrolusis of alumina. Cryolite is absorbed to

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  14. Mark the wrong staement among the following. The iron ore after washin...

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  15. Which of the following metals can be oriented directly during the roas...

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  16. Which of the followigng metal is obtained by the reduction of metal ox...

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  17. Galena (PbS) on heating in limited supply of air gives lead metal. Thi...

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  18. Which of the following oxides is reduced by water gas to obtain the me...

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  19. For which one of the following reaction, the graph of DeltaG against T...

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  20. At which one of the following condition, a reducing a metal oxide

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